7733 datasheet(565/940 Pages) RENESAS

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APPENDIX

7733 Group User’s Manual

21-17

Appendix 3. Control registers

Count start flag

Bit

Timer B2 count start flag

Timer B1 count start flag

Timer B0 count start flag

Timer A4 count start flag

Timer A3 count start flag

Timer A2 count start flag

Timer A1 count start flag

Timer A0 count start flag

Bit name

At reset

Functions

Count start flag (address 4016)

0: Counting is stopped.

1: Counting is started.

One-shot start flag

Bit

7 to 5

Not implemented.

Timer A4 one-shot start flag

Timer A3 one-shot start flag

Timer A2 one-shot start flag

Timer A1 one-shot start flag

Timer A0 one-shot start flag

Bit name

At reset

Undefined

Functions

One-shot start flag (address 4216)

1: One-shot pulse output is started.

(Valid when the internal trigger is

selected.)

“0” at reading.

–

Up-down flag

Bit

Bit name

At reset

Functions

Up-down flag (address 4416)

Timer A4 up-down flag

Timer A3 up-down flag

Timer A2 up-down flag

Timer A1 up-down flag

Timer A0 up-down flag

Timer A2 two-phase pulse signal

processing selection bit

Timer A3 two-phase pulse signal

processing selection bit

Timer A4 two-phase pulse signal

processing selection bit

0: Countdown

1: Countup

This bits is valid when the contents

of the up-down flag is selected as

the up-down switching factor.

0: Two-phase pulse signal

processing function is disabled.

1: Two-phase pulse signal

processing function is enabled.

When not using the two-phase pulse

signal processing function, be sure

to set this bit to “0.”

This bit is “0” at reading.

Note: When writing to bits 5 to 7, use the LDM or STA instruction.

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